<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>websocket通讯</title>
</head>
<script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
<script>
    var socket;
    function openSocket() {
        if(typeof(WebSocket) == "undefined") {
            console.log("您的浏览器不支持WebSocket");
        }else{
            console.log("您的浏览器支持WebSocket");
            //实现化WebSocket对象，指定要连接的服务器地址与端口  建立连接
            //等同于socket = new WebSocket("ws://localhost:8888/xxxx/im/25");
            //var socketUrl="${request.contextPath}/im/"+$("#adminId").val();
            var socketUrl="http://192.168.0.9:8088/imchat/imserver/admin/"+$("#adminId").val();
            socketUrl=socketUrl.replace("https","ws").replace("http","ws");
            console.log(socketUrl);
            if(socket!=null){
                socket.close();
                socket=null;
            }
            socket = new WebSocket(socketUrl);
            //打开事件
            socket.onopen = function() {
                console.log("websocket已打开");
                //socket.send("这是来自客户端的消息" + location.href + new Date());
            };
            //获得消息事件
            socket.onmessage = function(msg) {
                console.log('他说：'+msg.data);
                //发现消息进入    开始处理前端触发逻辑
            };
            //关闭事件
            socket.onclose = function() {
                console.log("websocket已关闭");
            };
            //发生了错误事件
            socket.onerror = function() {
                console.log("websocket发生了错误");
            }

        }
    }
    function sendMessage() {
        if(typeof(WebSocket) == "undefined") {
            console.log("您的浏览器不支持WebSocket");
        }else {
            console.log("您的浏览器支持WebSocket");
            console.log('我说：{"fromVisitId":"'+$("#adminId").val()+'", "content":"'+$("#content").val()+'" ,"msgUniqueCode":"123","sendType":"2","contentType":"1","fromSId":"xxxx","chatId":"'+$("#chatId").val()+'","toVisitId":"'+$("#memberId").val()+'"}');
            socket.send('{"fromVisitId":"'+$("#adminId").val()+'", "content":"'+$("#content").val()+'" ,"msgUniqueCode":"123","sendType":"2","contentType":"1","fromSId":"xxxx","chatId":"'+$("#chatId").val()+'","toVisitId":"'+$("#memberId").val()+'"}');
        }
    }
</script>
<body>
<p>【adminId】：<div><input id="adminId" name="adminId" type="text" value="1"></div>
<p>【memberId】：<div><input id="memberId" name="memberId" type="text" value="1"></div>
<p>【chatId】：<div><input id="chatId" name="chatId" type="text" value=""></div>
<p>【content】：<div><input id="content" name="content" type="text" value="admin say hello websocket"></div>
<p>【操作】：<div><a onclick="openSocket()">开启socket</a></div>
<p>【操作】：<div><a onclick="sendMessage()">发送消息</a></div>
</body>

</html>